Many people are trying to save the
1 _____________ on Earth.
They are worried
because many animals are facing
2 __________ because hunters kill them.
Animals habitats also 3______________ because people take their territory.
Millions of years ago 4 __________ lived
on Earth and then suddenly disappeared.
5 ________________ have found
evidence of enormous birds, many
of which were bigger than mammals.
Scientists keep
finding out new 6 _________________
about these creatures all the time.
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома